<?php

class ActivityController extends Controller {

	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout = '//layouts/column2';

	/**
	 * @return array action filters
	 */
	public function filters() {
		return array(
			'accessControl', // perform access control for CRUD operations
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules() {
		return array(
			array('allow', // allow all users to perform 'index' and 'view' actions
				'actions' => array('index', 'view'),
				'users' => array('*'),
			),
			array('allow', // allow authenticated user to perform 'create' and 'update' actions
				'actions' => array('create', 'update'),
				'roles' => array('user'),
			),
			array('allow', // allow admin user to perform 'admin' and 'delete' actions
				'actions' => array('admin', 'delete'),
				'users' => array('admin'),
			),
			array('deny', // deny all users
				'users' => array('*'),
			),
		);
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id) {
		$this->render('view', array(
			'model' => $this->loadModel($id),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate() {
		$model = new Activity;

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if (isset($_POST['Activity'])) {
			$model->attributes = $_POST['Activity'];
			if ($model->save())
				$this->redirect(array('view', 'id' => $model->activity_id));
		}

		if (isset($_POST['ActivityForm']) || isset($_GET['activity_id'])) {
			if (!Yii::app()->user->isGuest):

				if (isset($_POST['ActivityForm']) && $_POST['ActivityForm']['activity_id'] == 0) {
					$model->attributes = $_POST['ActivityForm'];
					$model->author_id = Yii::app()->user->getId();
					$model->save();
					$activity_id = $model->activity_id;
				} elseif (isset($_GET['activity_id'])) {
					$activity_id = $_GET['activity_id'];
				} else {
					$activity_id = $_POST['ActivityForm']['activity_id'];
				}
				$link = new ActivityUser;
				$link->activity_id = $activity_id;
				$link->user_id = Yii::app()->user->getId();
				if (!$link->save()) {
					CVarDumper::dump($link->getErrors(), 10, true);
					exit();
				}

			endif;
//			if ($model->save())
			$this->redirect(array('site/index'));
		}

		$this->render('create', array(
			'model' => $model,
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id) {
		$model = $this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if (isset($_POST['Activity'])) {
			$model->attributes = $_POST['Activity'];
			if ($model->save())
				$this->redirect(array('view', 'id' => $model->activity_id));
		}

		$this->render('update', array(
			'model' => $model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id) {
		if (Yii::app()->request->isPostRequest) {
			// we only allow deletion via POST request
			$this->loadModel($id)->delete();

			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
			if (!isset($_GET['ajax']))
				$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
		}
		else
			throw new CHttpException(400, 'Invalid request. Please do not repeat this request again.');
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex() {
		$dataProvider = new CActiveDataProvider('Activity');
		$this->render('index', array(
			'dataProvider' => $dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin() {
		$model = new Activity('search');
		$model->unsetAttributes();  // clear any default values
		if (isset($_GET['Activity']))
			$model->attributes = $_GET['Activity'];

		$this->render('admin', array(
			'model' => $model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer the ID of the model to be loaded
	 */
	public function loadModel($id) {
		$model = Activity::model()->findByPk($id);
		if ($model === null)
			throw new CHttpException(404, 'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param CModel the model to be validated
	 */
	protected function performAjaxValidation($model) {
		if (isset($_POST['ajax']) && $_POST['ajax'] === 'activity-form') {
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}

}
